CN101586808B - Processing method of phenol-cyanogen wastewater generated by coal gas producer - Google Patents
Processing method of phenol-cyanogen wastewater generated by coal gas producer Download PDFInfo
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- CN101586808B CN101586808B CN2009100597100A CN200910059710A CN101586808B CN 101586808 B CN101586808 B CN 101586808B CN 2009100597100 A CN2009100597100 A CN 2009100597100A CN 200910059710 A CN200910059710 A CN 200910059710A CN 101586808 B CN101586808 B CN 101586808B
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- gas generator
- burning
- gas
- cyanide
- coal gas
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Abstract
The present invention relates to a processing method of phenol-cyanogen wastewater generated by a coal gas producer, which arranges a phenol-cyanogen wastewater burning chamber beside the coal gas producer and feeds the phenol-cyanogen wastewater generated by the coal gas producer into the burning chamber, and then feeds the burned waste gas generated by the burning chamber into the lower slag part of the coal gas producer as raw material for generating coal gas.
Description
Technical field
The present invention relates to a kind of processing method of the wastewater containing phenol and cyanide of gas generator generation.
Background technology
Coal gas is a class widely used fuel in producing and living, and it is to be made by series of chemical in gas generator by coal.In preparation cooled coal gas process, can produce wastewater containing phenol and cyanide (waste water that contains phenol and cyanogen) inevitably, this waste water will cause severe contamination to environment if directly enter environment.The processing method of wastewater containing phenol and cyanide mainly contains the biochemistry processing method at present, burning method, system water-coal-slurry are returned the gas generator facture and directly sprayed into facture in the gas generator separately.Biochemistry disposal methods effect instability, cost is higher; Though the burning method treatment effect is fine separately, processing cost is very high; The system water-coal-slurry is returned the gas generator facture and is directly sprayed into facture in the gas generator because water-coal-slurry or wastewater containing phenol and cyanide evaporate in a large number in the low-temperature zone on the top of gas generator, make most of water, phenol and cyanogen have neither part nor lot in chemical reaction and enter coal gas thus, thereby the generation of wastewater containing phenol and cyanide is strengthened, gas generator is difficult to whole digestion, on the other hand, consumption of calorie is wanted in the evaporation of water-coal-slurry or wastewater containing phenol and cyanide, and furnace temperature is reduced, and influences the output of coal gas.The processing method of the wastewater containing phenol and cyanide that development cost gas generator low, easy to use produces has big practical value.
Summary of the invention
The problem of the processing method of the wastewater containing phenol and cyanide that produces at present gas generator, it is low to the objective of the invention is to seek processing cost, the processing method of the wastewater containing phenol and cyanide that the gas generator that can use on the spot easily in Gas Production producer produces, it is characterized in that a wastewater containing phenol and cyanide Burning Room being set on the gas generator side, the wastewater containing phenol and cyanide that gas generator produces is sent into this Burning Room burning, and the burning waste gas that Burning Room produces is sent into gas generator bottom slag blanket section as the raw material of producing coal gas.Burning Room is made fuel with coal gas, incineration temperature 〉=450 ℃, and burning the air excess amount is 5%～20%.Supplied with the quantity of steam of gas generator by steam generator and do corresponding minimizing, reduction is the water vapour amount that Burning Room produces.Supplied with the air capacity of gas generator by blower fan and also do corresponding minimizing, reduction is 80%～100% of a Burning Room consumed cabin air amount.
The object of the present invention is achieved like this, and in Burning Room, all organic matters in the wastewater containing phenol and cyanide become water vapour and CO by burning
2, the water in the wastewater containing phenol and cyanide becomes water vapour, NH
3Become NO and NO
2, finally burn the main moisture vapor of waste gas, CO
2, NO, NO
2, superfluous O
2, the N that brings into of air and coal gas
2
Burn and finally generate coal gas by following series of chemical after waste gas is sent into gas generator.
2C+O
2＝2CO
2CO+O
2＝2CO
2
C+O
2＝CO
2
C+2H
2O＝CO
2+2H
2
C+H
2O＝CO+H
2
C+2H
2＝CH
4
4NO+CH
4＝2N
2+2H
2O+CO
2
2NO
2+CH
4＝N
2+2H
2O+CO
2
C+CO
2＝2CO
The burning waste gas that Burning Room produces is all produced the raw material of coal gas as gas generator, burn waste gas institute heat content and also all import gas generator, and burning EGT height, can the chemical reaction process of gas generator not had a negative impact, also can not increase the generation of wastewater containing phenol and cyanide and cause the knot of pollutants such as phenol, cyanogen tired, realize cleaning of technology.
With respect to existing method, outstanding advantage of the present invention is that the wastewater containing phenol and cyanide that gas generator produces is thoroughly handled in Gas Production technology, does not increase the production cost of coal gas substantially, has tangible economic benefit and environmental benefit.
Specific implementation method
Embodiment 1: at the other wastewater containing phenol and cyanide Burning Room that is provided with of a daily output 200,000 mark cubic meter gas generators, Burning Room is a fuel with this gas generator institute producing coal gas, day is burned 1.8 cubic metres of wastewater containing phenol and cyanides, and incineration temperature is 600～650 ℃, the air excess amount about 10% of burning.Burning waste gas all feeds the slag blanket section of this gas generator and makes raw material.Result of implementation shows that this gas generator is stable, and the generation of wastewater containing phenol and cyanide and composition are also stable.
Embodiment 2: at the other wastewater containing phenol and cyanide Burning Room that is provided with of a daily output 100,000 mark cubic meter gas generators, Burning Room is a fuel with this gas generator institute producing coal gas, day is burned 1.1 cubic metres of wastewater containing phenol and cyanides, and incineration temperature is 550～620 ℃, the air excess amount about 10% of burning.Burning waste gas all feeds the slag blanket section of this gas generator and makes raw material.Result of implementation shows that this gas generator is stable, and the generation of wastewater containing phenol and cyanide and composition are also stable.
Claims (1)
1. the processing method of the wastewater containing phenol and cyanide that produces of a gas generator, it is characterized in that a wastewater containing phenol and cyanide Burning Room being set on the gas generator side, the wastewater containing phenol and cyanide that gas generator produces is sent into this Burning Room burning, the burning waste gas that Burning Room produces is sent into gas generator bottom slag blanket section as the raw material of producing coal gas, Burning Room is made fuel with coal gas, incineration temperature 〉=450 ℃, burning the air excess amount is 5%～20%, supply with the quantity of steam of gas generator by steam generator and do corresponding minimizing, reduction is the water vapour amount that Burning Room produces, supplied with the air capacity of gas generator by blower fan and also do corresponding minimizing, reduction is 80%～100% of a Burning Room consumed cabin air amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100597100A CN101586808B (en) | 2009-06-23 | 2009-06-23 | Processing method of phenol-cyanogen wastewater generated by coal gas producer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100597100A CN101586808B (en) | 2009-06-23 | 2009-06-23 | Processing method of phenol-cyanogen wastewater generated by coal gas producer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101586808A CN101586808A (en) | 2009-11-25 |
| CN101586808B true CN101586808B (en) | 2010-12-29 |
Family
ID=41371170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100597100A Expired - Fee Related CN101586808B (en) | 2009-06-23 | 2009-06-23 | Processing method of phenol-cyanogen wastewater generated by coal gas producer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101586808B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781038B (en) * | 2010-03-02 | 2012-10-03 | 济南冶金化工设备有限公司 | Phenol and cyanogen waste water physical chemical method control process and equipment |
-
2009
- 2009-06-23 CN CN2009100597100A patent/CN101586808B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101586808A (en) | 2009-11-25 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20110623 |